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JPL Small-Body Database Browser
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357825 (2005 UA55)
Classification: Main-belt Asteroid          SPK-ID: 2357825
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2978080351578194 7.0532e-08  
a 2.759506637833379 3.0989e-08 au
q 1.93770338801526 1.9355e-07 au
i 15.09426399098564 7.1164e-06 deg
node 31.92125092474961 1.7324e-05 deg
peri 299.7218728173832 2.0857e-05 deg
M 24.56697867817842 1.4243e-05 deg
tp 2458486.239836909896
(2019-Jan-02.73983691)
6.5138e-05 TDB
period 1674.347474765966
4.58
2.8204e-05
7.722e-08
d
yr
n .2150091336628435 3.6218e-09 deg/d
Q 3.581309887651498 4.0218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      5676 days (15.54 yr)  
   first obs. used      2004-04-22  
   last obs. used      2019-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50702  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:22:44  

Additional Information
 Earth MOID = .976909 au 
 Jupiter MOID = 2.0245 au 
 T_jup = 3.228 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO264886  
diameter diameter 4.437 km 1.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.043   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

357825 (2005 UA55)          Discovered 2005-Oct-23 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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